CN107997832A - A kind of bit of turbine dental engine - Google Patents
A kind of bit of turbine dental engine Download PDFInfo
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- CN107997832A CN107997832A CN201710967313.8A CN201710967313A CN107997832A CN 107997832 A CN107997832 A CN 107997832A CN 201710967313 A CN201710967313 A CN 201710967313A CN 107997832 A CN107997832 A CN 107997832A
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- wind wheel
- dynamic balancing
- hole
- rubber
- rotor shaft
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Abstract
A kind of bit of turbine dental engine, is made of head shell, wind wheel and bearing, and wind wheel includes rotor shaft and wind wheel blade, and rotor shaft and wind wheel blade are structure as a whole.And rubber parts is set between head shell and wind wheel, rubber parts contacts at the same time with head shell and wind wheel under natural conditions, and one of rubber parts and head shell and wind wheel separate under working status.Dynamic balancing hole is set in the end of rotor shaft, dynamic balancing body built in dynamic balancing hole, sets soft rubber or sponge between dynamic balancing body and dynamic balancing hole.The present invention sets cavity due to reducing pressing area, while between rubber parts and head shell, makes tooth be not easy to touch pressing part, touches pressing part once in a while, can not touch brake disc, avoids influence rotating speed；Rubber ring is set in annular groove, not only anti-resorption but also has automatically adjusted dynamic balancing.Wind wheel shaft end sets splined hole, splined hole internal clearance matching spline, and spline stretches out wind wheel shaft end and fixes dynamic balancing disk, and the dynamically balanced amount of this structure adjusting is big, reduces high-precision processing cost.
Description
This case is the divisional application of original application, and the invention and created name of original application is " a kind of bit of turbine dental engine ", application
Number be 201210354925.7, applying date 2012.09.14.
Technical field
The head of main grinding tool --- the dental drill, especially dental turbine unit that are used the present invention relates to gear division.
Background technology
In general, as dental air type topping machanism head, head is had on its top, in the head
Component equipped with necessary cutting element, including the armature spindle of cutting element, two bearings of support rotating shaft and configuration are two
Impeller between a bearing portion, makes the pressure-air impact impeller to gas circuit supply from configuration in the handle portion of head make to cut
Cut instrument revolution.The rotor shaft and blade of existing disposable dental drill are all integrated injection plastic, such as patent No.
200520045733.3 patent of invention, its rotor shaft with car pin are coordinated by three valve springs, application number 200910001394.1
Application for a patent for invention, the car pin hole of its rotor shaft is arranged to spline-shaped, clamps car shank by the elastic force of plastics, in addition should
Patent setting choke original piece, increases rotary inertia, and other disposable dental drills also select car pin hole and car shank interference fit etc.,
These structures, loading-unloading vehicle pin must very bother, application number 201020542727.X patents of invention by specific purpose tool, although
And pressing dental drill, it is specially to set wedge collet in rotor shaft, by wedge grips car pin, the connecting rod of wedge collet is stretched out
Rotor shaft and fixed baffle, set disc spring between the wind wheel shaft end of connecting rod periphery and baffle, disc spring provides chucking power.It is above-mentioned several
The disposable dental drill of kind does not all enter into the practical stage, and reason is, is the disposable dental drill of interference fit for rotor shaft and car pin, entirely
The several productions of state, still, the precision of China's mould are generally 0.04-0.06mm, and the parts precision of injection is with regard to worse, at every point
In the environment of 300,000 turns of clock, since low precision produces imbalance, cause vibration, produce noise, be not inconsistent standardization, just without actual
Use；Above two presses the dental drill of loading-unloading vehicle pin, and structure is more complicated, imbalance bigger during rotation, noise bigger.Furthermore mesh
Nonexpondable dental drill of preceding metal, price depend directly on machining accuracy, and maximum price difference reaches hundred times.Furthermore due to machine
Head is stretched into oral cavity, and when pressure-air stops supplying, impeller continues to rotate at a high speed with inertia, and negative pressure is just produced in head,
By exterior dirt suction head supply path, occur some anti-resorption mobile phones at present, but be all in car pin insertion site
Prevent resorption, since the position space is very small, used component is all very accurate, accordingly increases cost.Shen in person
The anti-resorption dental drill head of Application No. 201110324919.2 please, since nose cover is rubber, tooth can touch during use
To rubber nose cover so that make rubber nose cover touching movement and influence rotating speed.
The content of the invention
The purpose of the present invention one is to influence rotating speed to solve the rubber nose cover of anti-resorption dental drill head touching tooth,
Even if provide a kind of anti-resorption dental drill head that rotating speed is nor affected on by gland touching tooth；Second, solve existing dental drill head
Dynamic equilibrium problems when movement rotates at a high speed, third, solving above-mentioned two problems at the same time.
To solve the above problems, the present invention uses following technical scheme：
A kind of dental drill head, is made of head shell, wind wheel and bearing, and wind wheel includes rotor shaft and wind wheel blade, rotor shaft and wind
Impeller blade is structure as a whole.
Rubber parts is set between head shell and wind wheel, and the rubber parts connects at the same time with head shell and wind wheel under natural conditions
Touch, one of the rubber parts and head shell and wind wheel separate under working status.
The rubber parts refers to：Rubber layer, the rubber layer and head cap-shaped are fixed in the inner side of the nose cover of head shell
Into cavity.
The nose cover sets through hole, and through hole forms cavity unicom with the rubber layer and nose cover.
The wind wheel shaft end is equipped with Moving plate, under natural conditions the rubber layer and brake disc, institute under working status
Rubber layer is stated to separate with brake disc.
The wind wheel shaft end is equipped with Moving plate, and endless groove I is set in brake disc, rubber ring I, rubber ring I are set in endless groove I
Contacted under natural conditions with nose cover, rubber ring I is entered in groove by centrifugal force and separated with nose cover under working status.
The wind wheel blade side of the rotor shaft sets endless groove II, rubber ring II is set in endless groove II, rubber ring II is certainly
Contacted under right state with the bearing block of head shell, rubber ring II is entered in groove by centrifugal force and separated with bearing block under working status.
Dynamic balancing hole is set in the wind wheel shaft end, dynamic balancing body built in dynamic balancing hole, dynamic balancing body and dynamic balancing hole it
Between set soft rubber or sponge.
Splined hole, splined hole internal clearance matching spline are set in the wind wheel shaft end, spline, which stretches out wind wheel shaft end, to be fixed
Dynamic balancing disk, sets soft rubber or sponge between spline and splined hole.
The rotor shaft sets clamping jaw hole, and clamping jaw connection clip claw bar in clamping jaw hole, clamping jaw bar sets dynamic balancing hole or splined hole.
Using the present invention of above-mentioned technical proposal, due to reducing pressing area, while between rubber layer and nose cover
Cavity is set so that tooth is not easy to touch pressing part, touches pressing part once in a while, due to setting cavity, can not touch
Brake disc, avoids influence rotating speed；Rubber ring is set in annular groove, not only anti-resorption but also dynamic balancing has been automatically adjusted, has killed two birds with one stone, drop
Low cost.Dynamic balancing body is set in rotor shaft, keeps the original size of dental drill, if splined hole, splined hole internal clearance coordinates
Spline, spline stretch out wind wheel shaft end and fix dynamic balancing disk, and the dynamically balanced amount of this structure adjusting is big, even if wind wheel is unbalanced
Measure bigger, can also automatically adjust, reduce the cost processed in high precision.
Brief description of the drawings
Fig. 1 is fixed on by nature structure diagram on the inside of gland for rubber bag tank.
Fig. 2 is fixed on by working state structure schematic diagram on the inside of gland for rubber bag tank.
Fig. 3 sets endless groove working state structure schematic diagram for brake disc.
Fig. 4 sets endless groove nature structure diagram for brake disc.
Fig. 5 is to set dynamic balancing body structure diagram in rotor shaft.
Fig. 6 is rotor shaft and dynamic balancing disc floret key fit structure schematic diagram.
Fig. 7 rotor shafts and dynamic balancing disk are set up defences abjection spline fitted structure diagram.
Embodiment
A kind of dental drill head, is made of head shell 1, wind wheel and bearing 2, and wind wheel includes rotor shaft 3 and wind wheel blade 4, on
State rotor shaft 3 and wind wheel blade 4 is structure as a whole.
As shown in Figure 1 and Figure 2, rubber parts is set between head shell 1 and wind wheel, under natural conditions rubber parts and head shell 1 and
Wind wheel contacts at the same time, and one of the rubber parts and head shell 1 and wind wheel separate under working status.The working status is：Machine
Gases at high pressure are passed through in head, and gases at high pressure promote wind wheel to rotate, and one of rubber parts and head shell and wind wheel separate, and wind wheel being capable of height
Speed rotates；It is stopped, gases at high pressure stop supply, and the rubber parts contacts at the same time with head shell and wind wheel, and wind wheel braking stops
Rotation stop is moved, and can effectively prevent dirt resorption.
Above-mentioned rubber parts is：Rubber layer 6 is fixed in the inner side of the nose cover 5 of head shell 1, and rubber layer 6 is formed with nose cover 5
Cavity.Under natural conditions, rubber layer is contacted with wind wheel shaft end, and rubber layer 6 is by the atmospheric pressure in head shell under working status
And separated with wind wheel shaft end；It is stopped, gases at high pressure stop supply, and the rubber layer resumes contacts with wind wheel shaft end,
Wind wheel braking stops operating, and effectively prevents dirt resorption.
Nose cover 5 sets through hole 7, and through hole 7 forms cavity unicom with rubber layer 6 and nose cover 5.Rubber layer 6 and head at this time
Lid 5 forms cavity and atmosphere, and be conducive to rubber layer under working status separates with wind wheel shaft end.
3 end of rotor shaft is equipped with Moving plate 8, and rubber layer 6 is contacted with brake disc 8 under natural conditions, rubber under working status
Glue-line 6 is separated with brake disc 8.Since brake disc 8 and 6 contacts contact face of rubber layer product are big, are conducive to wind wheel braking and stop operating.
For the head of plug car pin or key loading-unloading vehicle pin, the brake disc 8 can be arranged directly on wind wheel shaft end, brake disc
8 centers set through hole and are used to be inserted into thimble or key, are not shown in such situation map；Such as Fig. 1,2 for pressing loading-unloading vehicle pin
Head, rotor shaft 3 set clamping jaw hole, the 9 connection clip claw bar 10 of clamping jaw in clamping jaw hole, and clamping jaw bar 10 stretches out wind wheel shaft end and simultaneously sets
Brake disc 8, for corresponding nose cover 5 for pressing nose cover, pressing part and the rubber layer 6 for pressing nose cover are right in this case
Should, the rubber layer 6 can be rubber bag tank 11, rubber bag tank part corresponding with nose cover fixed with nose cover and do not influence by
Pressure, remainder is rubber layer, naturally it is also possible to is fixed for the periphery of rubber bag tank 11 with nose cover, rubber bag tank 11 is divided to for two
Face, pressing part of the face as nose cover, another face is as rubber layer.
As shown in Figure 3, Figure 4, wind wheel shaft end is equipped with Moving plate 8, and endless groove I 14 is set in brake disc 8, is set in endless groove I 14
Rubber ring I 15 is put, rubber ring I 15 is contacted with nose cover 5 under natural conditions, and rubber ring I 15 is entered by centrifugal force under working status
Separated in groove with nose cover 5.In this way, I 15 existing braking function of rubber ring, and have the dynamic balancing function of automatic adjustment wind wheel.Rubber
Rubber membrane 19 can be set in rubber ring I 15, friction area can be increased, more preferable braking.
4 side of wind wheel blade of rotor shaft 3 sets endless groove II 16, and rubber ring II 17, rubber ring are set in endless groove II 16
II 17 contact such as Fig. 4 with the bearing block 18 of head shell 1 under natural conditions, and rubber ring II 17 is entered groove by centrifugal force under working status
It is interior to be separated with bearing block 18 such as Fig. 3.Wherein, rubber ring II 17 is also existing braking function, and has the dynamic flat of automatic adjustment wind wheel
Weigh function.Fig. 3,4 apoplexy axle ends and wind wheel blade side are all provided with endless groove, actually only set an endless groove, when
Wind wheel blade both sides can also be so arranged on.
As shown in figure 5, dynamic balancing hole 12 is set in wind wheel shaft end, and dynamic balancing body 13 built in dynamic balancing hole 12, dynamic balancing body
Soft rubber or sponge 20 are set between 13 and dynamic balancing hole 12.Soft rubber such as silica gel, polyurethane etc..Dynamic balancing body 13 is dynamic
Moved radially in balance hole 12 to automatically adjust the dynamic balancing of wind wheel.The shape of dynamic balancing body 13 can be column, such as cylinder,
Prism or spherical or irregular particle shape.
Shown in Fig. 6, splined hole 21,21 internal clearance matching spline 22 of splined hole, spline 22 and spline are set in wind wheel shaft end
The cooperation in hole 21 can also be the structure of tooth ball-joint, and the tooth ball-joint is exactly such as Patent No. 200720026788.9
Tooth ball-joint.Spline 22 stretches out wind wheel shaft end and fixes dynamic balancing disk 23, set between spline 22 and splined hole 21 soft rubber or
Person sponge 20.Spline 22 moves radially in splined hole 23 to be driven dynamic balancing disk 23 to move radially and automatically adjusts the dynamic flat of wind wheel
Weighing apparatus.The splined hole 21 of Fig. 7 and spline 22 are to prevent structure that spline 22 is deviate from out of hole.
In Fig. 5, Fig. 6, Fig. 7, rotor shaft 3 sets clamping jaw hole, and 9 connection clip claw bar 10 of clamping jaw in clamping jaw hole, clamping jaw bar 10 is set
Balance hole 12 or splined hole 21, such case are suitable for pressing dental drill.
The invention is not restricted to above-described embodiment, is equal with the present invention and the technical solution of the invention prompted belongs to this hair
Bright content.
Claims (3)
- A kind of 1. bit of turbine dental engine, by head shell（1）, wind wheel and bearing（2）Composition, wind wheel include rotor shaft（3）And wind wheel Blade（4）, it is characterised in that：Rotor shaft（3）And wind wheel blade（4）It is structure as a whole；Head shell（1）Rubber is set between wind wheel Glue part, the under natural conditions rubber parts and head shell（1）Contacted at the same time with wind wheel, the rubber parts and head under working status Shell（1）With the separation of one of wind wheel；Dynamic balancing hole is set in the end of the rotor shaft（12）, dynamic balancing hole（12）Built-in dynamic balancing body （13）, dynamic balancing body（13）With dynamic balancing hole（12）Between set soft rubber or sponge（20）.
- 2. bit of turbine dental engine as claimed in claim 1, it is characterised in that：Splined hole is set in the end of the rotor shaft （21）, splined hole（21）Internal clearance matching spline（22）, spline（22）Stretch out wind wheel shaft end and fix dynamic balancing disk（23）, spline （22）With splined hole（21）Between set soft rubber or sponge（20）.
- 3. bit of turbine dental engine as described in claim 1 or 2, it is characterised in that：The rotor shaft（3）If clamping jaw hole, folder Clamping jaw in pawl hole（9）Connection clip claw bar（10）, clamping jaw bar（10）If dynamic balancing hole（12）Or splined hole（21）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710967313.8A CN107997832B (en) | 2012-09-14 | 2012-09-14 | Turbine dental drill head |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210354925.7A CN103654975B (en) | 2012-09-14 | 2012-09-14 | A kind of bit of turbine dental engine |
| CN201710967313.8A CN107997832B (en) | 2012-09-14 | 2012-09-14 | Turbine dental drill head |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210354925.7A Division CN103654975B (en) | 2010-05-26 | 2012-09-14 | A kind of bit of turbine dental engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107997832A true CN107997832A (en) | 2018-05-08 |
| CN107997832B CN107997832B (en) | 2021-03-02 |
Family
ID=50294556
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210354925.7A Active CN103654975B (en) | 2010-05-26 | 2012-09-14 | A kind of bit of turbine dental engine |
| CN201710967313.8A Active CN107997832B (en) | 2012-09-14 | 2012-09-14 | Turbine dental drill head |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210354925.7A Active CN103654975B (en) | 2010-05-26 | 2012-09-14 | A kind of bit of turbine dental engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN103654975B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2767253A4 (en) * | 2011-10-12 | 2016-02-24 | Zhengzhou Zezheng Technical Services Ltd | Dental drill head |
| CN105361960B (en) * | 2015-12-08 | 2017-11-28 | 桂林市啄木鸟医疗器械有限公司 | A kind of dental handpiece and preparation method thereof |
| CN106073909A (en) * | 2016-05-31 | 2016-11-09 | 北京东博气动工具有限公司 | High speed turbine dental drill hand piece zero suck-back device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5028181A (en) * | 1990-05-14 | 1991-07-02 | Grumman Aerospace Corporation | Quick change right angle and offset drill head |
| CN2530069Y (en) * | 2001-12-29 | 2003-01-08 | 广州斯克罗莱涡卷精密机械有限公司 | Positive-displacement swirl fluid compressor |
| CN1456129A (en) * | 2002-05-10 | 2003-11-19 | 株式会社莫利嗒制作所 | Dental cutter |
| CN1557262A (en) * | 2004-02-05 | 2004-12-29 | 同济大学 | Disposable dental hand-operated machine pneumatic turbine rotor and shaft |
| CN201253267Y (en) * | 2008-07-11 | 2009-06-10 | 李晓平 | Disposable high-speed turbine dental-drill handset head-shell |
| WO2011147228A1 (en) * | 2010-05-26 | 2011-12-01 | 郑州泽正技术服务有限公司 | Dental turbine drill |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202342207U (en) * | 2011-10-12 | 2012-07-25 | 刘晓霞 | Antisuction dental drill head |
-
2012
- 2012-09-14 CN CN201210354925.7A patent/CN103654975B/en active Active
- 2012-09-14 CN CN201710967313.8A patent/CN107997832B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5028181A (en) * | 1990-05-14 | 1991-07-02 | Grumman Aerospace Corporation | Quick change right angle and offset drill head |
| CN2530069Y (en) * | 2001-12-29 | 2003-01-08 | 广州斯克罗莱涡卷精密机械有限公司 | Positive-displacement swirl fluid compressor |
| CN1456129A (en) * | 2002-05-10 | 2003-11-19 | 株式会社莫利嗒制作所 | Dental cutter |
| CN1557262A (en) * | 2004-02-05 | 2004-12-29 | 同济大学 | Disposable dental hand-operated machine pneumatic turbine rotor and shaft |
| CN201253267Y (en) * | 2008-07-11 | 2009-06-10 | 李晓平 | Disposable high-speed turbine dental-drill handset head-shell |
| WO2011147228A1 (en) * | 2010-05-26 | 2011-12-01 | 郑州泽正技术服务有限公司 | Dental turbine drill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107997832B (en) | 2021-03-02 |
| CN103654975B (en) | 2018-08-10 |
| CN103654975A (en) | 2014-03-26 |
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Address after: Room 605, Block A, 60 Guoji Road, Jinshui District, Zhengzhou City, Henan Province Applicant after: Zhengzhou Zezheng Technology Service Co., Ltd. Address before: 450000 South Agricultural East Road, Zhengdong New District, Zhengzhou City, Henan Province, No. 226, 1st floor, Xibaolong City Plaza, Tianze Street Applicant before: Zhengzhou Zezheng Technology Service Co., Ltd. |
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